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conky/src/c++wrap.hh

53 lines
1.4 KiB
C++

/* -*- mode: c++; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
* vim: ts=4 sw=4 noet ai cindent syntax=cpp
*
* Conky, a system monitor, based on torsmo
*
* Please see COPYING for details
*
* Copyright (C) 2010 Pavel Labath et al.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef CPPWRAP_HH
#define CPPWRAP_HH
#ifdef HAVE_O_CLOEXEC
#include <fcntl.h>
#else
enum { O_CLOEXEC = 02000000 };
#endif
#include <cerrno>
#include <stdexcept>
#include <string>
#include <utility>
std::string strerror_r(int errnum);
std::pair<int, int> pipe2(int flags);
class errno_error: public std::runtime_error {
typedef std::runtime_error Base;
public:
errno_error(const std::string &prefix, int err_ = errno)
: Base(prefix + ": " + strerror_r(err_)), err(err_)
{}
const int err;
};
#endif /* CPPWRAP_HH */